Ecology Flashcards
1
Q
Ecology
A
- Studies the relationship of organimsms to each other and their physical environment
2
Q
population
A
Group of individuals of same species in same area
3
Q
Community
A
- All or some of the organisms in common environment
4
Q
Ecosystem
A
Consists of all the organisms in an area and the physical environment with which they interact
5
Q
Succession
A
- Changes in the composition of a community from initial development of vegetation to the establishment of climax community
- Plant community itself changes environmental conditions of site, pushing it towards next stage of succession
6
Q
Primary succession
A
- On bare rocks and lava(no soil)
- Pioneer species–> lichens and moss
- No competition
7
Q
Secondary succession
A
- Species establsih from existing seeds or roots and stems
- Fire, logging, farmland
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- Fire, logging, farmland
8
Q
Strategies for fire: (secondary succession)
A
○ Resprout from rhizome meristems
Seeds burries in soil(lodgepole pine)
9
Q
Climax community
A
Stable communityies at the end of ecological succession
